ALEXANDRIA, Va., June 19 -- United States Patent no. 12,330,697, issued on June 17, was assigned to Murata Machinery Ltd. (Kyoto, Japan).
"Rail-guided cart system" was invented by Akinori Sugigaki (Nuyama, Japan), Tetsuya Sato (Inuyama, Japan) and Ken Yamashita (Kyoto, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A rail-guided cart system includes a traveling rail and a traveling cart to travel along the traveling rail. The rail-guided cart system includes a measurement sensor and a diagnosis processor. The measurement sensor is fixed with respect to the traveling rail to measure vibration or sound. The diagnosis processor diagnoses a condition of the traveling cart that passed through a measurement ...